Modifiers matching panel:

• structural,
• plastic,
• wooden,
• exterior,
• sliding,
• moveable,
• hollow,
• trim,
• down,
• over,
• artificial,
• rigid,
• interior,
• flat,
• inside,
• vertical,
• expert,
• semirigid,
• supporting,
• large,
• automotive,
• nonstructural,
• external,
• solar,
• horizontal,
• clear,
• big,
• decorative,
• regulatory,
• narrow,
• independent,
• metal,
• transparent,
• movable,
• individual,
• flexible,
• framed,
• local,
• special,
• hard,
• tall,
• visible,
• moving,
• major,
• wide,
• thin,
• governmental,
• unwanted,
• retractable,
• heavy,
• architectural,
• fixed,

Simple categories matching flat:

• tube,
• tool,
• surface,
• object,
• tissue,
• equipment,
• article,
• card,
• material,
• floor,
• circuit,
• item,
• pad,
• device,
• crystal,
• implement,
• wall,
• area,
• furniture,
• abstraction,
• substrate,
• polygon,
• roof,
• foot,
• waveform,
• stage,
• component,
• bread,
• lighting,
• brush,
• ware,
• stone,
• clothing,
• fish,
• solid,
• board,
• strip,
• fabric,
• feature,
• instrument,
• member,
• record,
• road,
• works,
• container,
• upland,
• course,
• rod,
• work,
• cover,
• dish,
• figure,
• collection,
• facility,
• web,
• structure,
• part,
• paint,
• textile,
• mirror,
• panel,
• portion,
• wire,
• content,
• form,
• tin,
• support,
• string,
• plane,
• copy,
• body,
• design,
• particle,
• block,
• product,
• food,
• screen,
• art,
• fee,
• shape,
• base,
• glass,
• muscle,
• specimen,
• thing,
• artifact,
• background,
• painting,
• ornament,
• cookware,
• tray,
• linen,
• terrain,
• embellishment,
• metal,
• original,
• creature,
• condition,
• blank,
• fruit,
• document,
• vehicle,
• underside,
• gasket,
• charge,
• seal,
• tableware,
• place,
• section,
• package,
• region,
• marker,
• book,
• slab,
• image,
• earth,
• display,
• ride,
• representation,
• weapon,
• sign,
• stick,
• shield,
• blade,
• paper,
• speaker,
• segment,
• cloth,
• ground,
• ceiling,
• x-ray,
• footwear,
• side,
• foliage,
• plate,
• bottle,
• flower,
• mineral,
• graphic,
• land,
• conductor,
• piece,
• mold,
• bottom,
• artwork,
• pan,
• sheet,
• rock,
• medium,
• system,
• space,
• ribbon,
• accessory,
• subject,
• deck,
• topology,
• substance,
• option,
• drawing,
• plan,
• epithelium,